diff options
| author | Dillon Varone <dillon.varone@amd.com> | 2024-03-04 14:38:04 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-03-22 15:47:41 -0400 |
| commit | 7cc9196675234d4de0e1e19b9da1a8b86ecfeedd (patch) | |
| tree | 673d5dc5b285c995444315409980a738412114d5 | |
| parent | 052af44ffae7728a7ac3965cde0e60331eac2e42 (diff) | |
drm/amd/display: Power on VPG memory unconditionally if off
[WHY&HOW]
Even if memory lower power feature policy states that it is disabled,
VPG memory should still be poweerd on if it is currently disabled when
requested.
Reviewed-by: Chris Park <chris.park@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Dillon Varone <dillon.varone@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn31/dcn31_vpg.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_vpg.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_vpg.c index f1deb1c3c363..cfb923d85630 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_vpg.c +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_vpg.c @@ -63,7 +63,12 @@ void vpg31_poweron(struct vpg *vpg) { struct dcn31_vpg *vpg31 = DCN31_VPG_FROM_VPG(vpg); - if (vpg->ctx->dc->debug.enable_mem_low_power.bits.vpg == false) + uint32_t vpg_gsp_mem_pwr_state; + + REG_GET(VPG_MEM_PWR, VPG_GSP_MEM_PWR_STATE, &vpg_gsp_mem_pwr_state); + + if (vpg->ctx->dc->debug.enable_mem_low_power.bits.vpg == false && + vpg_gsp_mem_pwr_state == 0) return; REG_UPDATE_2(VPG_MEM_PWR, VPG_GSP_MEM_LIGHT_SLEEP_DIS, 1, VPG_GSP_LIGHT_SLEEP_FORCE, 0); |